Average temperature in February is 0.1 °C
Average daytime temperature is 5.5 °C
Average night temperature is -4.2 °C
Absolute maximum temperature: 14.4 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 17
Number of rainy days: 9
Number of snow days: 2
Precipitation sum: 94 mm
* Weather data for Naperville United States is based on climate observations for 2023 year
| February (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -2.8 | -1.2 | -5 | 6.1 | 4.5 | 7.3 | 9.9 | 6.1 | 5.9 | 2.2 | 6.9 | 9.7 | 9.4 | 11.5 | 10.9 | 1.6 | -1.2 | 7.3 | 10.1 | 8.1 | 4.6 | 0.8 | 4.7 | -1 | 3.6 | 9.2 | 14.4 | 10.3 |
| Apparent max temperature | -8.3 | -6.7 | -11.3 | 0.5 | -0.2 | 1.8 | 5.7 | 2.8 | 3.3 | -2.5 | 1.8 | 5.2 | 4.9 | 6.9 | 5.3 | -2.1 | -6.4 | 2.5 | 4.9 | 4.3 | 0.6 | -3.9 | 0.6 | -5.5 | -1.3 | 6.3 | 10.3 | 8.2 |
| Mean temperature | -13 | -5.2 | -14 | -6.7 | 2.6 | -0.8 | 6.1 | -0.3 | 2.9 | 1 | -1.7 | 1.9 | 4.3 | 4.3 | 7.8 | 0.2 | -5.4 | -0.8 | 5.6 | 2.6 | 0.6 | 0.2 | 2.1 | -4.5 | -1.2 | 1.1 | 7.2 | 4.6 |
| Apparent mean temperature | -26.1 | -12.8 | -24.8 | -19.1 | -4.8 | -9.8 | -2.7 | -8.8 | -3.6 | -5.4 | -10.5 | -7.1 | -4.4 | -4 | -1.7 | -7.4 | -13.8 | -12.2 | -2.7 | -7.1 | -11.4 | -6.6 | -5.3 | -12.4 | -9 | -7.8 | -4.2 | -4.3 |
| Minimum temperature | -20.5 | -7.7 | -19.2 | -14.5 | -0.1 | -6 | 3 | -4.8 | 0.1 | -0.7 | -6.3 | -3.1 | 0.2 | -0.2 | 5.2 | -1.3 | -9.1 | -7.3 | 3.1 | -3.4 | -4.9 | -1.5 | 0 | -7.6 | -4 | -3.8 | 0.3 | -0.5 |
| Apparent min temperature | -18.5 | -10.6 | -19.7 | -12.4 | -2.6 | -5.1 | 0.6 | -4 | -1.2 | -3.7 | -6.1 | -2.3 | -0.1 | 0 | 2.2 | -4.7 | -10.7 | -6.4 | 0.2 | -1.1 | -4.3 | -5.2 | -2.7 | -9.7 | -5.5 | -2.7 | 3.1 | 0.8 |
| February | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 10 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 | 10.5 | 10.5 | 10.6 | 10.6 | 10.7 | 10.7 | 10.7 | 10.8 | 10.8 | 10.9 | 10.9 | 11 | 11 | 11.1 | 11.1 | 11.1 | 11.2 |
| Sunshine duration (h) | 9.1 | 9.1 | 9.1 | 9 | 9.2 | 9.3 | 8.8 | 8 | 0 | 9.4 | 9.5 | 9.5 | 9.6 | 3.3 | 6.6 | 0 | 9.8 | 9.8 | 9.8 | 9.3 | 8.9 | 0 | 7.3 | 9 | 9.7 | 10 | 5.7 | 7.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 22.5 | 0.9 | 0 | 0 | 0 | 0.4 | 8.4 | 8.3 | 2.1 | 0 | 0 | 0 | 0 | 14.7 | 5.7 | 0 | 1.6 | 0 | 26.2 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 6 | 0 | 0 | 0 | 2 | 11 | 10 | 6 | 0 | 0 | 0 | 0 | 11 | 8 | 0 | 5 | 0 | 12 | 0 |
| Wind speed (m/s) | 16.5 | 20.4 | 20.3 | 20.8 | 23.8 | 20.8 | 31.2 | 13.4 | 24.7 | 23.2 | 16.7 | 14.5 | 15.6 | 27.1 | 36.4 | 26.2 | 23.1 | 22.1 | 25 | 12.6 | 26.3 | 27.9 | 29.3 | 24.1 | 15.6 | 17.3 | 28.8 | 25.3 |
In February 2023, the highest daytime temperature in Naperville was 14.4°C.
While the minimum temperature at night dropped to -20.5°C.
The average nighttime and daytime temperatures during February in Naperville are -4.2°C and 5.5°C respectively.
The precipitation sum in February is about 94 mm.